Like the Iranian embassy siege, every ****** says theyve done it.
Wouldnt even hazard a guess. I get a lot of ex-squaddies come to interview (i work in and recruit for the security industry) and claim this course and that specialist course, but ask them a few technical questions and its funny to see how many bluffers we have. I got all the Q's and A's from those that have done the courses and use them whenever its mentioned on a CV. If you're gonna bluff at least know what you are bluffing about. I expect a guy who worked with Milan to know its max range, and a sniper to know the grain of the round he has supposed to have fired, especially if they only left a few years ago. The best one is the guys who claim they have done attempted certain surveillance based courses and when you mention a few certain details its obvious they were never there and never went on the said courses.
Don't bluff, youll get caught out. If you do try know your material.